A workaround (in 12.04 LTS) is to send espeak output to stdout, and pipe through paplay. This removes the delay and error messages.
$ time echo hello|espeak ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave [... tons more error lines ...] real 0m22.684s user 0m0.036s sys 0m0.036s $ time echo hello | espeak --stdout | paplay real 0m1.106s user 0m0.000s sys 0m0.020s -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1025578 Title: espeak sound output very slow if bluez-alsa installed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1025578/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs